trace-cmd: Fix comment from too much cut and paste

Jon Stanley's commit that changed the FSF address, also hacked
a comment not related. I should have reviewed his patch a little
more thoroughly.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/trace-output.c b/trace-output.c
index 542e7f3..54aece5 100644
--- a/trace-output.c
+++ b/trace-output.c
@@ -826,7 +826,7 @@
  * @handle: the output file handle name
  * @id: the id of the option
  * @size: the size of the option data
- * @data: the data to  see <http://www.gnu.org/licenses>
+ * @data: the data to write to the file.
  */
 int tracecmd_add_option(struct tracecmd_output *handle,
 			unsigned short id,